package com.ruller.criminalintent;

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.fragment.app.DialogFragment;
import android.widget.DatePicker;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class DatePickerFragment extends DialogFragment {

    public static final String EXTRA_DATE =
            "com.bignerdranch.android.criminalintent.date";
    private static final String ARG_DATE = "date";
    private DatePicker mDatePicker;

    @NonNull
    @Override
    public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {

        Date date = (Date) getArguments().getSerializable(ARG_DATE);
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH);
        int day = calendar.get(Calendar.DAY_OF_MONTH);

        View view = LayoutInflater.from(getActivity())
                .inflate(R.layout.dialog_date,null);

        mDatePicker = (DatePicker) view.findViewById(R.id.dialog_date_picker);
        mDatePicker.init(year, month, day, null);

        return new AlertDialog.Builder(getActivity())
                .setView(view)
                .setTitle(R.string.date_picker_title)
                .setPositiveButton(android.R.string.ok,(dialog,which) -> {
                    int years = mDatePicker.getYear();
                    int months = mDatePicker.getMonth();
                    int days = mDatePicker.getDayOfMonth();
                    Date dates = new GregorianCalendar(years, months, days).getTime();
                    sendResult(Activity.RESULT_OK, dates);
                })
                .create();
    }

    public static DatePickerFragment newInstance(Date date) {
        Bundle bundle = new Bundle();
        bundle.putSerializable(ARG_DATE,date);
        DatePickerFragment datePickerFragment = new DatePickerFragment();
        datePickerFragment.setArguments(bundle);
        return datePickerFragment;
    }

    private void sendResult(int resultCode, Date date) {
        if (getTargetFragment() == null) {
            return;
        }
        Intent intent = new Intent();
        intent.putExtra(EXTRA_DATE,date);
        getTargetFragment().onActivityResult(getTargetRequestCode(),resultCode,intent);
    }
}
